llvm-for-llvmta/include/llvm/DebugInfo/PDB/Native/TpiStream.h

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C++

//===- TpiStream.cpp - PDB Type Info (TPI) Stream 2 Access ------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_DEBUGINFO_PDB_RAW_PDBTPISTREAM_H
#define LLVM_DEBUGINFO_PDB_RAW_PDBTPISTREAM_H
#include "llvm/DebugInfo/CodeView/CVRecord.h"
#include "llvm/DebugInfo/PDB/Native/HashTable.h"
#include "llvm/DebugInfo/PDB/Native/RawConstants.h"
#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
#include "llvm/DebugInfo/PDB/PDBTypes.h"
#include "llvm/Support/BinaryStreamArray.h"
#include "llvm/Support/BinaryStreamRef.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/Error.h"
namespace llvm {
namespace codeview {
class LazyRandomTypeCollection;
}
namespace msf {
class MappedBlockStream;
}
namespace pdb {
class PDBFile;
class TpiStream {
friend class TpiStreamBuilder;
public:
TpiStream(PDBFile &File, std::unique_ptr<msf::MappedBlockStream> Stream);
~TpiStream();
Error reload();
PdbRaw_TpiVer getTpiVersion() const;
uint32_t TypeIndexBegin() const;
uint32_t TypeIndexEnd() const;
uint32_t getNumTypeRecords() const;
uint16_t getTypeHashStreamIndex() const;
uint16_t getTypeHashStreamAuxIndex() const;
uint32_t getHashKeySize() const;
uint32_t getNumHashBuckets() const;
FixedStreamArray<support::ulittle32_t> getHashValues() const;
FixedStreamArray<codeview::TypeIndexOffset> getTypeIndexOffsets() const;
HashTable<support::ulittle32_t> &getHashAdjusters();
codeview::CVTypeRange types(bool *HadError) const;
const codeview::CVTypeArray &typeArray() const { return TypeRecords; }
codeview::LazyRandomTypeCollection &typeCollection() { return *Types; }
Expected<codeview::TypeIndex>
findFullDeclForForwardRef(codeview::TypeIndex ForwardRefTI) const;
std::vector<codeview::TypeIndex> findRecordsByName(StringRef Name) const;
codeview::CVType getType(codeview::TypeIndex Index);
BinarySubstreamRef getTypeRecordsSubstream() const;
Error commit();
void buildHashMap();
bool supportsTypeLookup() const;
private:
PDBFile &Pdb;
std::unique_ptr<msf::MappedBlockStream> Stream;
std::unique_ptr<codeview::LazyRandomTypeCollection> Types;
BinarySubstreamRef TypeRecordsSubstream;
codeview::CVTypeArray TypeRecords;
std::unique_ptr<BinaryStream> HashStream;
FixedStreamArray<support::ulittle32_t> HashValues;
FixedStreamArray<codeview::TypeIndexOffset> TypeIndexOffsets;
HashTable<support::ulittle32_t> HashAdjusters;
std::vector<std::vector<codeview::TypeIndex>> HashMap;
const TpiStreamHeader *Header;
};
}
}
#endif